流函数

A model is proposed to analyze the MAC access delay of EDCA (enhanced distribution channel access) mechanism of wireless LANs, which is based on the moment generating function and signal flow graph.

提出一种分析模型，基于信号流图和母函数方法分析了无线局域网中EDCA(enhanced distribution channel access)机制的MAC接入延时。

The functional relation between incident angle and refractive angle of energy flow is obtained. According to this relation, we can restructure the refractive angle as negative or positive readily by selecting suitable permittivity and permeability tensors.

导出了电磁波的入射角和能流折射角之间的函数关系，根据此关系可方便地选择合适的介电张量和磁导率张量，使特定入射角所对应的折射是正或是负。

With k-ε turbulent model and wall function presented by Launder and Spalding, numerical results of viscous resistance coefficient, isoplethic maps of velocity and stress contributions are obtained.

采用 紊流模式及Launder和Spalding提出的壁函数进行数值模拟，得到了该双尾船船体粘性阻力及速度、切应力的等值线分布等结果。

With k- e turbulent model and wall function presented by Launder and Spalding, numerical results of viscous resistance coefficient, isoplethic maps of velocity and stress contributions are obtained.

采用k-ε紊流模式及Launder和Spalding提出的壁函数进行数值模拟，得到了该双尾船船体粘性阻力及速度、切应力的等值线分布等结果。

The deflection spectra of a beam of parallel rays,as they passed through the field,were figured out according to the deflection program for projection,and the relative projections were acquired from the spectra.

用Gauss函数模拟复杂流场的一个切片，根据偏折层析算法计算该切片的偏折光谱，从偏折光谱中提取投影。

To demonstrate the effects of vibrating intensity parameter and model parameter, the curve of the shear stress distribution was made according to different parameter.

结果表明：在环形流道中，流体的应力是半径和时间的函数，剪切应力与时间成余弦关系。

By computing the spatial correlation function, the evolution plots of velocity, the relaxation time and the order parameter, the effect of top-priority of randomization on traffic flow is studied.

通过位置相关函数、速度时空演化图、驰豫时间和序参量的计算，研究优先随机慢化对交通流的影响。

2The new cloud physical model is put forward the metric geometry.(3)The generalized cloud equations of cloud is derived on the generalized function and the Sobolev space on the Riemannian manifold.

提出了 大气模式中新一代云方案的动力学：(1)基于拓扑的云分类；(2)基于度量几何的云模型(3)利用黎曼流型上的广义函数和索伯列夫空间，系统建立了云之动力学方程组。

This paper proposed a modified Particle Swarm Optimization algorithm to solve the mixed model assembly line sequencing problem in discrete space with two objectives:total production rate variation and total idle-overload time.

提出在离散空间用一种改进的微粒群优化算法来解决混流装配线的多目标排序问题，考虑两个目标：总生产变化率最小和总闲置－超载时间最小，并对两个目标函数进行了规范化处理以消除量纲的影响。

Based on boson-fermion model, we illustrate how to get the flow equations and how to solve spectral function of this model.

基于玻色子—费米子模型介绍了该方法的求解过程，以及如何利用流方程求解系统的谱函数。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。